Which of the following situations correctly describes the similarity between an angiosperm egg and a human egg?
1. | Eggs of both are formed only once in a lifetime |
2. | Both the angiosperm egg and human egg are stationary |
3. | Both the angiosperm egg and human egg are mobile |
4. | Syngamy in both results in the formation of zygote |
1. | ii and iv | 2. | iv only |
3. | iii and iv | 4. | i and iv |
Meiosis takes place in:
1. | Conidia | 2. | Gemmule |
3. | Megaspore | 4. | Meiocyte |
Which of the following is a post-fertilisation event in flowering plants?
1. Transfer of pollen grains
2. Embryo development
3. Formation of flower
4. Formation of pollen grains
Consider the following statements:
I: | Meiosis never occurs in organisms that are haploid |
II: | Gametes are haploid and the parent plant body from which they arise must be diploid |
1. Only I is correct
2. Only II is correct
3. Both I and II are incorrect
4. Both I and II are correct
What is true about the given figure?
1. | The plant concerned is Chara, A is Oogonium and B is Antheridium |
2. | The plant concerned is Chara, B is Oogonium and A is Antheridium |
3. | The plant concerned is Marchantia, A is Oogonium and B is Antheridium |
4. | The plant concerned is Marchantia, B is Oogonium and A is Antheridium |